Improvements in safety devices for lifting and lowering apparatus,申请号GB19480014402-传众专利搜索

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发明名称	Improvements in safety devices for lifting and lowering apparatus
摘要
申请公布号	GB653918(A)	申请公布日期	1951.05.30
申请号	GB19480014402	申请日期	1949.05.17
申请人	ALLAN MARTIN	发明人
分类号	B66B5/24	主分类号	B66B5/24
代理机构		代理人
主权项
地址

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